19631080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70111}}^1$

素因数の和:70129

約数の個数: 32

約数和(自身を含む): 50480640

約数和(自身を除く): 30849560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70111, 140222, 280444, 350555, 490777, 560888, 701110, 981554, 1402220, 1963108, 2453885, 2804440, 3926216, 4907770, 9815540, 19631080]

約数ペア:

[(1, 19631080), (2, 9815540), (4, 4907770), (5, 3926216), (7, 2804440), (8, 2453885), (10, 1963108), (14, 1402220), (20, 981554), (28, 701110), (35, 560888), (40, 490777), (56, 350555), (70, 280444), (140, 140222), (280, 70111)]